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2 years ago

Help me I don’t understand

Mathematics

1 answer:

Amanda [17]2 years ago

3 0

Answer:

It would be answer A, in y=x+7, the value of y would be 7 more than the value of x. That is true

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What is a integer????

Vinil7 [7]

An integer is any whole positive or negative number and zero.

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3 years ago

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Solve the simultaneous equations by substitution 5x+6y=−11 5x=2y−3

kicyunya [14]

Answer:

Step-by-step explanation:

we have

5x+6y= -11

5x-2y=-3

we will multiply first equation with -1

-5x-6y=11 and add it with the second

5x-2y=-3

-8y=8

y=-1

we go to our original equation and replace y=-1

5x-6=-11

5x=-11+6

5x=-5

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3 years ago

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mojhsa [17]

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3 years ago

6) A climber is on a hike. After 2 hours she is at an altitude of 400 feet. After 6 hours, she is at an

Bas_tet [7]

Answer:

Her rate of change is 75 ft/h

Step-by-step explanation:

Rate of Change

It measures how one quantity varies with respect to another. The second variable usually is the time.

The climber is hiking. We are given two points of her progress: At 2 hours, she is at 400 ft. This corresponds to the point (2,400).

At 6 hours, she is at 700 ft. This is the point (6,700)

The rate of change is the slope between these two points or the quotient of the variations of each variable:

$\displaystyle m=\frac{700\ ft-400\ ft}{6\ h-2\ h}$

$\displaystyle m=\frac{300\ ft}{4\ h}$

$m=75\ ft/h$

Her rate of change is 75 ft/h

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3 years ago

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The answer is bee haha ha

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